Doctor: "You're in incredible shape. How old are you again?"
Man: "I am 78,"

Doctor: "78? "How do you stay so healthy? You look like a 60 year-old."
Man: "Well, my wife and I made a pact when we got married that
whenever she got mad she would go into the kitchen and cool
off and I would go outside to settle down."

Doctor: "What does that have to do with it?"
Man: "I've pretty much lived an outdoor life."